Water exerciser



FIG. 1 is a front elevational view thereof;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front-right-top perspective view of a water exerciser, showing my new design. 

The ornamental design for a water exerciser, as shown. 